TUSB4041I Four-Port USB 2.0 Hub datasheet (Rev. E)

1 USB HubUSB PortUSB ConnectionUSB ConnectionUSB DeviceUSB DevicePersonalComputerTUSB4041 IUSB KeyboardType APortUSB2 WebCAMUSB MouseTICopyright 2016, Texas Instruments Incorporated ProductFolderOrderNowTechnicalDocumentsT ools &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand JULY2015 REVISEDSEPTEMBER2017 TUSB4041 IFour-PortUSB Hub11 Features1 FourPort Hub Hub Features MultiTransactionTranslator(MTT)Hub:FourT ransactionTranslators FourAsynchronousEndpointBuffersperTransa ctionTranslator SupportsUSBB atteryCharging CDPMode(UpstreamPort Connected) DCPMode(UpstreamPort Unconnected) DCPModeCompliesWithChineseTelecommunicat ionsIndustryStandardYD/T1591-2009 SupportsD+ and D DividerMode Per Port or GangedPowerSwitchingandOvercurrentNotifi cationInputs OTPROM,SerialEEPROMor I2C and SMBusSlaveInterfacefor CustomConfigurations.

2 VIDand PID CustomizablePorts Manufacturerand ProductStrings(not by OTPROM) SerialNumber(not by OTPROM) ApplicationFeatureSelectionUsingPin Selectionor EEPROM,I2C, or SMBusSlaveInterface Provides128-BitUniversallyUniqueIdentifi er(UUID) SupportsOn-Boardand In-SystemOTPandEEPROMP rogrammingThroughthe SingleClockInput,24-MHzCrystalor Oscillator DM/DPPolaritySwap TypeC Compatible No SpecialDriverRequirements;WorksSeamlessl yon any OperatingSystemWithUSBS tackSupport 64-PinHTQFPP ackage(PAP)2 Applications ComputerSystems DockingStations Monitors Set-TopBoxes3 DescriptionThe TUSB4041 Ideviceis a full-speedconnectionson the devicealsoprovidesUSBhigh-speed,full-spe ed,or low-speedconnectionson the connectedto anelectricalenvironmentthatonlysupportsh igh-speed,full-speed,andlow-speedconnect ions,the USBhigh-speed,full-speedandlow-speedconn ectivityisenabledon connectedto anelectricalenvironmentthatonlysupportsf ull-speedor low-speedconnections,the USBhigh-speedconnectivityare disabledon the (1)PARTNUMBERPACKAGEBODYSIZE(NOM)TUSB404 1 IHTQFP(64) (1)

3 For all availablepackages,see the orderableaddendumatthe end of the JULY2015 :TUSB4041 ISubmitDocumentationFeedbackCopyright 2015 2017,TexasInstrumentsIncorporatedTableof Contents1 Description(continued)..36 Pin Configurationand Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (July2017)to RevisionEPage ChangedsmbusRstFrom:Bit 6 To: Bit 1, and cfgActive1 From:Bit 5 To: Bit 0 Table25 ..28 ChangesfromRevisionC (September2016)to RevisionDPage Deletedparagraph:"Eachbit correspondsdirectlyto a example:used0correspondstodownstreamport 1, used1correspondsto downstreamport 2, and so on. All combinationsare supportedwith theexceptionof bothports1 and 3 markedas disabled.

4 " (December2015)to RevisionCPage AddedSMBUSP rogrammingcurrenttoHub AddedNOTEto Addedtext "This devicewill alwaysreportthe XORedPID LSB valueof 0x42" to the Descriptionof Table7 ..18 ChangesfromRevisionA (September2015)to RevisionBPage Changedthe configurationof the PWRCTL_POLpin (R17)in theClock,Reset,and (July2015)to RevisionAPage Changedpin numberfor USB_DP_DN1and USB_DP_DN2in thePin JULY2015 REVISEDSEPTEMBER2017 ProductFolderLinks:TUSB4041 ISubmitDocumentationFeedbackCopyright 2015 2017,TexasInstrumentsIncorporated5 Description(continued)The TUSB4041 Idevicesupportsper-portor gangedpowerswitchingand individuallyport-power-controlledhub switchespoweron or off to eachdownstreamport as requestedby individuallyport-power-controlledhub sensesan overcurrentevent,only powerto theaffecteddownstreamport is gangedhub switcheson powerto all of the downstreamportswhenpoweris requiredto be on for any powerto the downstreamportsis not switchedoff unlessall portsare in a statethat allowspowerto ,whena gangedhub sensesan overcurrentevent,powerto all downstreamportsare TUSB4041 Idevicedownstreamportsprovidesupportfor batterychargingapplicationsby providingUSBbatterychargingdownstream-po rt(CDP) devicealso supportsa dedicatedcharging-port (DCP)

5 Modewhenthe upstreamport is not DCPmodeis compliantwith the USBbatterychargingspecificationand ,an automaticmodeprovidestransparentsupportf or BC devicesand devicessupportingdivider-modechargingsol utionswhenthe upstreamport TUSB4041 Ideviceprovidespin-strapconfigurationfor somefeaturesincludingbatterychargingsupp ort,and also providescustomizationthoughOTPROM,I2C EEPROM,or throughan I2C and SMBusslaveinterfacefor PID, VID, and customport and phy also availablewhenusingan I2 CEEPROMor the I2C and deviceis availablein a 64-pinPAPpackageand is offeredin a industrialversionfor operationoverthetemperaturerangeof 40 C to 85 JULY2015 :TUSB4041 ISubmitDocumentationFeedbackCopyright 2015 2017,TexasInstrumentsIncorporated(1)I = Input,O = Output,I/O = Input/output,PU = Internalpullupresistor,PD = Internalpulldownresistor,and PWR= Powersignal6 Pin Configurationand FunctionsPAPP ackage64-PinHTQFPWithPowerPAD Top ViewNC = No internalconnectionPin FunctionsPINI/O(1)TYPE(1) resetbringsall of the TUSB4041 Ideviceinternalregisterstothe GRST zpin is asserted,the deviceis pin is the crystalinputfor the inputmayalternatelybe drivenby the outputof an crystal,a 1-M feedbackresistoris requiredbetweenthe XI and XO JULY2015 REVISEDSEPTEMBER2017 ProductFolderLinks.

6 TUSB4041 ISubmitDocumentationFeedbackCopyright 2015 2017,TexasInstrumentsIncorporatedPin Functions(continued)PINI/O(1)TYPE(1) pin is the crystaloutputfor the the XI pin isdrivenby an externaloscillator,this pin may be left ,a 1-M feedbackresistoris requiredbetweenthe XI and XO USBhigh-speeddifferentialtransceiver(neg ative)USB_DP_UP21I/O USBhigh-speeddifferentialtransceiver(pos itive)USB_R132I 1% resistorbetweenthe USB_R1pin and USBupstreamport VBUS detectionrequiresa signalUSB_VBUS mustbe connectedto VBUS througha 1% resistorand to groundthrougha 10-k 1% resistorfromthe signalto 1 pin is usedto connectthe overcurrentoutputof the downstreamport powerswitchfor port = An = An overcurrenteventhas not pin can be left unconnectedif powermanagementis not powermanagementis enabled,the necessaryexternalcircuitryshouldbe determinedby 2 pin is usedto connectthe overcurrentoutputof the downstreamport powerswitchfor port = An = An overcurrenteventhas not powermanagementis not implemented,leavethis pin powermanagementis enabled.

7 The necessaryexternalcircuitryshouldbe determinedby 3 pin is usedto connectthe overcurrentoutputof the downstreamport powerswitchfor port = An = An overcurrenteventhas not pin can be left unconnectedif powermanagementis not powermanagementis enabled,the necessaryexternalcircuitryshouldbe determinedby 4 pin is usedto connectthe overcurrentoutputof the downstreamport powerswitchfor port = An = An overcurrenteventhas not pin can be left unconnectedif powermanagementis not powermanagementis enabled,the necessaryexternalcircuitryshouldbe determinedby 1 power-oncontrolfor downstreampowerand is usedfor controlof the downstreampowerswitchfor port valueof the pin is sampledat the deassertionof resetto determinethe valueofthe batterychargingsupportfor port 1 as indicatedin theBatteryChargingSupportRegister:0 = Batterychargingnot supported1 = BatterychargingsupportedPWRCTL2/BATEN23I /OPDUSB port 2 power-oncontrolfor downstreampowerand is usedfor controlof the downstreampowerswitchfor port valueof the pin is sampledat the deassertionof resetto determinethe valueofthe batterychargingsupportfor Port 2 as indicatedin theBatteryChargingSupportRegister.

8 0 = Batterychargingnot supported1 = Batterychargingsupported6 TUSB4041 ISLLSEK3E JULY2015 :TUSB4041 ISubmitDocumentationFeedbackCopyright 2015 2017,TexasInstrumentsIncorporatedPin Functions(continued)PINI/O(1)TYPE(1) 3 power-oncontrolfor downstreampowerand is usedfor controlof the downstreampowerswitchfor port valueof the pin is sampledat the deassertionof resetto determinethe valueofthe batterychargingsupportfor Port 3 as indicatedin theBatteryChargingSupportRegister:0 = Batterychargingnot supported1 = BatterychargingsupportedPWRCTL4/BATEN464 I/OPDUSB port 4 power-oncontrolfor downstreampowerand is usedfor controlof the downstreampowerswitchfor port valueof the pin is sampledat the deassertionof resetto determinethe valueofthe batterychargingsupportfor Port 4 as indicatedin theBatteryChargingSupportRegister.

9 0 = Batterychargingnot supported1 = BatterychargingsupportedUSB_DM_DN134I/O USBhigh-speeddifferentialtransceiver(neg ative)USB_DM_DN242 USB_DM_DN350 USB_DM_DN457 USB_DP_DN133I/O USBhigh-speeddifferentialtransceiver(pos itive)USB_DP_DN241 USB_DP_DN349 USB_DP_DN456I2C ANDSMBusSIGNALSSCL/SMBCLK6I/OPDI2C functionof this pin dependson the settingof 1, this pin functionsas the serialclockinterfacefor an 0, this pin functionsas the serialclockinterfacefor an pin can be left unconnectedif externalinterfacenot functionof this pin dependson the settingof the 1, this pin functionsas the serialdatainterfacefor an 0, this pin functionsas the serialdatainterfacefor an pin can be left unconnectedif the externalinterfaceis not valueof the pin is sampledat the deassertionof resetset I2C or SMBusmodeas follows.

10 1 = I2C modeselected0 = SMBusmodeselectedThis pin can be left unconnectedif the externalinterfaceis not ,this signalis drivenlow by the this behavior,TIrecommendsnot to tie directlyto supply,but insteadpull up or pull JULY2015 REVISEDSEPTEMBER2017 ProductFolderLinks:TUSB4041 ISubmitDocumentationFeedbackCopyright 2015 2017,TexasInstrumentsIncorporatedPin Functions(continued)PINI/O(1)TYPE(1) valueof the pin is sampledat the deassertionof resetto determineif automaticmodeis enabledas follows:0 = Automaticmodeis enabledon portsthat are enabledfor batterychargingwhenthe hub is CDPis not supportedon port 1 whenoperatingin = Automaticmodeis valueis also usedto set the autoEnzbit in ,this signalindicatesthe high-speedUSBS uspendstatusof the upstreamport if enabledthroughtheAdditionalFeatureConfig urationRegister.